Meet the 2020 GMC Sierra 3500HD Denali, a four-door Crew Cab finished in White Frost Tricoat with a Jet Black leather-appointed interior. With 123,290 miles, a 6.6L Duramax V8 turbodiesel, 10-speed automatic transmission, and four-wheel drive, this heavy-duty truck pairs substantial capability with Denali comfort and technology.

Equipped for towing and hauling, it includes a Gooseneck/5th Wheel Package and prep package, plus:

• ProGrade Trailering System with integrated trailer brake controller
• Hitch Guidance with Hitch View and an in-vehicle trailering app
• HD Rear Vision Camera, Bed View Camera, and HD Surround Vision with provisions for trailer-view cameras
• Spray-on bedliner with Denali logo and a 120-volt bed-mounted power outlet
• Exhaust brake, engine block heater, dual alternators, and heavy-duty battery
• Snow Plow Prep/Camper Package

The Denali cabin offers comfort for daily drives and longer trips:

• Perforated leather-appointed seating with 10-way power front seats and lumbar adjustment
• Heated and ventilated front seats, heated rear outboard seats, and a heated steering wheel
• Driver memory settings and a power sunroof
• Bose Premium 7-speaker audio, navigation, Apple CarPlay, and Android Auto
• Wireless charging, multiple USB ports, and a power-sliding rear window
• Multicolor 15-inch diagonal head-up display and a camera-equipped rearview mirror

Driver-assistance and convenience features include Lane Change Alert with Side Blind Zone Alert, Rear Cross Traffic Alert, Forward Collision Alert, Automatic Emergency Braking, Lane Departure Warning, IntelliBeam automatic high beams, and front and rear park assist. Keyless Open and Start, remote start, a Safety Alert Seat, and 6-inch chrome tubular assist steps add everyday convenience.

This Sierra 3500HD Denali combines a Duramax diesel powertrain, trailering-focused equipment, and an upscale interior in a well-equipped 4WD truck. 🛻